user.h 1.9 KB

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  1. /* Copyright (C) 1999 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #ifndef _SYS_USER_H
  16. #define _SYS_USER_H 1
  17. /* The whole purpose of this file is for gdb/strace and gdb/strace
  18. only. Don't read too much into it. Don't use it for anything other
  19. than gdb/strace unless you know what you are doing. */
  20. #include <asm/page.h>
  21. #include <asm/reg.h>
  22. struct user
  23. {
  24. unsigned long int regs[EF_SIZE / 8 + 32]; /* integer and fp regs */
  25. size_t u_tsize; /* text size (pages) */
  26. size_t u_dsize; /* data size (pages) */
  27. size_t u_ssize; /* stack size (pages) */
  28. unsigned long int start_code; /* text starting address */
  29. unsigned long int start_data; /* data starting address */
  30. unsigned long int start_stack; /* stack starting address */
  31. long int signal; /* signal causing core dump */
  32. struct regs *u_ar0; /* help gdb find registers */
  33. unsigned long int magic; /* identifies a core file */
  34. char u_comm[32]; /* user command name */
  35. };
  36. #define NBPG PAGE_SIZE
  37. #define UPAGES 1
  38. #define HOST_TEXT_START_ADDR (u.start_code)
  39. #define HOST_DATA_START_ADDR (u.start_data)
  40. #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
  41. #endif /* sys/user.h */